The Honeywell 8C-TDODA1 (51307149-175) is a high-density 24 VDC digital output bussed IOTA (Input/Output Termination Assembly) module designed for robust field termination in industrial control environments. This component facilitates reliable discrete control by providing 32 source-type output channels, commonly utilized for managing actuators, relay loads, and solenoids in sectors such as power generation, petrochemical processing, and oil and gas infrastructure. The bussed architecture streamlines field wiring while ensuring consistent signal integrity across high-density configurations. Furthermore, the module supports Hot Swap capability, allowing for removal and insertion under power to minimize maintenance downtime and maximize system availability.
This module is intended for use in distributed control systems (DCS) where high-speed, reliable discrete output signaling is required. It is ideally suited for controlling field-mounted actuators, managing solenoid valves, and driving relay logic in critical process automation loops.
| Model | 8C-TDODA1 (51307149-175) |
| Output Channels | 32 Source Type |
| Nominal Voltage | 24 VDC |
| Max Load Voltage | 30 VDC |
| Max Current per Channel | 100 mA |
| Max Module Current | 3.2 A |
| Isolation | 1000 VAC RMS / 1500 VDC (System to Field) |
| Switching Time | 10 ms (max turn-on/off) |
| Off-State Leakage | 5 micro A (max) |
| Operating Temperature | 0 to 60 deg C |
| Power Consumption | 105 mA at 24 VDC |
Is this module hot-swappable? Yes, the 8C-TDODA1 supports insertion and removal while the system is powered, allowing for maintenance without requiring a full system shutdown.
What is the maximum load capacity for this module? The module supports a maximum of 100 mA per channel, with a total module load capacity of 3.2 A.
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